Fermat prime

名词 n.
中文释义

英文释义

名词 n.
  1. A Fermat number that is prime.
    — It is not hard to prove that the only way that the number 1#43;2ᵉ can possibly be prime is when e is a power of 2, and so all Fermat primes must have the form 1#43;2#123;2ᵃ#125; for integers a#92;ge 0. The numbers F#95;a#61;1#43;2#123;2ᵃ#125; are called Fermat numbers, and although it is true that every Fermat prime is a Fermat number, it is certainly not true that every Fermat number is prime.

词形变化

Fermat primes plural

词源

Named after French lawyer and amateur mathematician Pierre de Fermat (1601–1665).
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